package cn.tedu.boot42.controller;

import cn.tedu.boot42.mapper.UserMapper;
import cn.tedu.boot42.vo.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class UserController {
    @Autowired(required = false)
    UserMapper mapper;

    @RequestMapping("/check")
    public int check(String username){
        User user = mapper.selectByUsername(username);
        return user==null?1:2;//1代表可用 2代表已存在
    }
    @RequestMapping("/reg")
    public int reg(User user){
        User u = mapper.selectByUsername(user.getUsername());
        if (u!=null){
            return 2;//代表用户已存在
        }
        mapper.insert(user);
        return 1;//注册成功！
    }
    @RequestMapping("/login")
    public int login(User user){
        User u = mapper.selectByUsername(user.getUsername());
        if (u!=null){
            //拿用户输入的密码和数据库中的密码比较
            if (u.getPassword().equals(user.getPassword())){
                return 1; //登陆成功
            }
            return 3; //密码错误
        }
        return 2; //用户名不存在
    }
}
